1828885 has 8 divisors (see below), whose sum is σ = 2270520. Its totient is φ = 1412544.

The previous prime is 1828867. The next prime is 1828901. The reversal of 1828885 is 5888281.

It can be written as a sum of positive squares in 4 ways, for example, as 154449 + 1674436 = 393^2 + 1294^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1828885 - 2⁹ = 1828373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6162 + ... + 6451.

It is an arithmetic number, because the mean of its divisors is an integer number (283815).

2^1828885 is an apocalyptic number.

It is an amenable number.

1828885 is a deficient number, since it is larger than the sum of its proper divisors (441635).

1828885 is a wasteful number, since it uses less digits than its factorization.

1828885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12647.

The product of its digits is 40960, while the sum is 40.

The square root of 1828885 is about 1352.3627471947. The cubic root of 1828885 is about 122.2912730416.

The spelling of 1828885 in words is "one million, eight hundred twenty-eight thousand, eight hundred eighty-five".